https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980382Edit ImageSaveSaveEditCropCustom TextAn apothecary in his laboratory concocting a mixture. Wood engraving by F.Mc F after, 1876, after H.S. Marks.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 823 x 1200 px | 300 dpiLarge JPEG 2320 x 3382 px | 300 dpiFree DownloadAn apothecary in his laboratory concocting a mixture. Wood engraving by F.Mc F after, 1876, after H.S. Marks.More